On Fri, 04 Feb 2005 10:47:56 -0500, you wrote: >Can anyone give me some guidance on a *simple* circuit for detecting 2.4Ghz >microwave (Wifi etc.) and providing DC output? It wouldn't have to be >terribly sensitive and I'd prefer it to be pretty passive :-) A suitably fast diode detector should do the trick - not sure if normal schottky diodes are fast enough, but suitable microwave diodes shouldn't be hard to find. Can't be too difficult - see http://neil.moon-beam.com/users/kris/index.htm -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist